Home / 31,025.70-46,520.92-21,176.90

Finding the Fourth Proportional to 31,025.70, 46,520.92 and 21,176.90

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Solution

The fourth proportional to 31,025.70, 46,520.92 and 21,176.90 is: 31,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,025.70 : 46,520.92 = 21,176.90 : x
  2. Step 2: Convert to fraction form
    31,025.70/46,520.92 = 21,176.90/x
  3. Step 3: Cross multiply
    31,025.70x = 46,520.92 × 21,176.90
  4. Step 4: Simplify right side
    31,025.70x = 985,168,870.75
  5. Step 5: Solve for x
    x = 985,168,870.75/31,025.70
  6. Step 6: Final answer
    x = 31,753.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.